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PDF TC55RP5002 Data sheet ( Hoja de datos )

Número de pieza TC55RP5002
Descripción 1uA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Fabricantes TelCom Semiconductor 
Logotipo TelCom Semiconductor Logotipo



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TC55 Series
1µA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
FEATURES
s Extremely Low Power Consumption 1.1µA (Typ.)
s Very Low Dropout Voltage .... 120mV typ at 100mA
380mV typ at 200mA
s Wide Input Voltage Range ..................... 10V (max.)
s High Output Current .............. 250mA (VOUT = 5.0V)
s High Accuracy Output Voltage ........................ ± 2%
(± 1% Semicustom Version)
s Wide Output Voltage Range .................... 1.1V-6.0V
s Low Power Consumption ................... 1.1µA (Typ.)
s Excellent Line Regulation ..................0.2%/V (Typ.)
s Package Options .. 3-Pin SOT-23A, SOT-89, TO-92
s Short Circuit Protection
s Custom Voltages Available from 1.1V to 6.0V in
0.1V Steps for a 2%, and 2.0V to 6.0V for a 1%
Tolerance
APPLICATIONS
s Battery-Powered Devices
s Cameras and Portable Video Equipment
s Pagers and Cellular Phones
s Solar-Powered Instruments
s Consumer Products
FUNCTIONAL BLOCK DIAGRAM
VIN VOUT
Short-circuit
Protection
Voltage
Reference
GND
PIN CONFIGURATION
3-Pin SOT-23A
VIN
2
3-Pin SOT-89
TC55
1
GND
3
VOUT
TC55
1
GND
23
VIN VOUT
3-Pin TO-92
1 23
TC55
GENERAL DESCRIPTION
The TC55 Series is a family of CMOS low dropout
positive voltage regulators which can source up to 250mA of
current. The extremely low operating current (1.1µA typical)
makes this part the ideal choice for battery operated appli-
cations and eliminates the need for an additional shutdown
mode. The power consumption of the TC55 is 1000 times
lower than in bipolar regulators, significantly extending
battery life.
The maximum input voltage of 10V combined with the
wide output voltage range (1.1V to 6.0V, in 100mV incre-
ments) makes this device suitable for a large variety of
applications. Other key features include low dropout voltage
(380mV typical at 200mA) and excellent line regulation
(0.2%/V). The low voltage differential (dropout voltage) also
extends battery operating lifetime and permits high
currents in small packages when operated with minimum
VIN – VOUT differentials.
The circuit also incorporates short-circuit protection to
ensure maximum reliability. The TC55 is stable with an
output capacitor (ceramic or tantalum) of only 1µF and is
available in a tiny SOT-23A package for space critical
applications, as well as in a 3-pin SOT-89 and a 3-pin TO-
92 package.
ORDERING INFORMATION
PART CODE TC55 RP XX X X X XX XXX
Output Voltage:
Ex: 20 = 2.0V; 60 = 6.0V 1.0% Tol.
Ex: 11 = 1.1V; 60 = 6.0V 2.0% Tol.
Extra Feature Code: Fixed: 0
Tolerance:
1 = 1.0% (Custom)
2 = 2.0% (Standard)
Temperature: E: – 40°C to +85°C
Package Type and Pin Count:
CB: 3-Pin SOT-23A (equivalent to EIAJ SC-59)
MB: 3-Pin SOT-89
ZB: 3-Pin TO-92
Taping Direction:
TR or 713: Standard Taping
RT or 723: Reverse Taping
No suffix: TO-92 Bulk
*SOT-23A-3 is equivalent to EIAJ SC-59
TC55-24 9/30/99 TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices.

1 page




TC55RP5002 pdf
1µA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TYPICAL CHARACTERISTICS
3. DROPOUT VOLTAGE vs. OUTPUT CURRENT
TC55RP3002
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0
80°C
20 40
25°C
30°C
60 80 100 120 140 160
OUTPUT CURRENT IOUT (mA)
4. OUTPUT VOLTAGE vs. OPERATING TEMPERATURE
TC55RP3002 (VIN = 4.0V)
3.10
3.08
3.06
3.04
3.02
3.00
2.98
2.96
IOUT = 10mA
40mA
2.94
2.92
2.90
40 20 0 20 40 60 80 100
OPERATING TEMPERATURE (°C)
5. SUPPLY CURRENT vs. INPUT VOLTAGE
TC55RP3002 TOPR = 25°C
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
3
4 56 7 8 9
INPUT VOLTAGE VIN (V)
10
TC55-24 9/30/99
TC55 Series
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0
TC55RP5002
80°C
25°C
30°C
40 80 120 160 200
OUTPUT CURRENT IOUT (mA)
TC55RP5002 (VIN = 6.0V)
5.10
5.08
5.06
5.04
5.02
5.00
IOUT = 10mA
4.98
40mA
4.96
4.94
4.92
4.90
40 20 0 20 40 60 80 100
OPERATING TEMPERATURE (°C)
2.0
1.9
1.8
1.7
1.6
1.4
1.3
1.2
1.1
1.0
0.5
5
5
TC55RP5002
TOPR = 25°C
6789
INPUT VOLTAGE VIN (V)
10

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